# Accident 19980816021119A: Scwzer G164B, Newton, MS, August 16, 1998 - Type: FAA accident report (Accident/Incident Data System), as reported - Date: August 16, 1998, 16:15 local time - Place: Newton, MS - Damage: Substantial damage - Phase of flight: Forced/Precautionary Landing - Operating rules: Agricultural (Part 137) - Operator: ZMIG - Location: 32.3098° N, 89.1503° W: From the FAA, an estimate near the named town, within about 3 miles - Nearby events: https://openairdocs.org/map.md?lat=32.3098&lon=-89.1503&mi=10 - Aircraft: N7502A, registered now (https://openairdocs.org/aircraft/N7502A) (OpenAirDocs) - Registry model: Schweizer G-164B (registry code 8059055, https://openairdocs.org/model/schweizer-g-164b) (OpenAirDocs) - Registry engine: Pratt & Whitney R1340 series (registry code 52016, https://openairdocs.org/engine/pratt-whitney-r1340-series) (OpenAirDocs) - Reported make and model: SCWZER G164B - Reported engine: GARRTT TPE3316252B - People aboard: 1 - Fatal injuries: 0 - Pilot flight hours: 5,485 total, 2,000 in this make and model, 68 in the last 90 days - NTSB investigation: [NTSB ATL98LA115](https://openairdocs.org/ntsb/ATL98LA115) (OpenAirDocs) - FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/) - Page: https://openairdocs.org/incident/19980816021119A ## Narrative As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^. (.19)ON AUGUST 16, 1998, AT 1600 CENTRAL DAYLIGHT TIME, A SCHWEIZER, G164A, N7502A, COLLIDED WITH TREES, ACCORDING TO THE PILOT, WHILE A MANAUVERING FOR AN EMERGENCY LANDING NEAR NEWTON, MISSISSIPPI. THE AERIAL APPLICATION FLIGHT OPERATED UNDER THE PROVISIONS OF TITLE 14 CFR PART 137 WITH NO FLIGHT PLAN FILED. ACCORDING TO WEATHER DATA FROM THE NEAREST REPORTING FACILITY, VISUAL WEATHER CONDITIONS PREVAILED AT THE TIME OF THE ACCIDENT. EXAMINATION OF THE AIRPLANE AT THE ACCIDENT SITE DISCLOSED THAT THE AIRFRAME SUSTAINED SUBSTANTIAL DAMAGE. THE COMMERCIAL RATED PILOT WAS NOT INJURED. THE TIME OF THE INITIAL DEPARTURE WAS 1550. THE PILOT REPORTED THAT DURING TAKEOFF ENGINE LOST POWER. THE COLLISION WITH THE TREES OCCURRED AS THE PILOT MANEUVERED THE AIRPLANE FOR AN EMERGENCY LANDING. (.4)ON AUGUST 16, 1998, AT 1615 CENTRAL DAYLIGHT TIME, A SCHWEIZER, G164B, N7502A, COLLIDED WITH TREES, WHEN ALTITUDE COULD NOT BE MAINTAINED DUE TO LOSS OF ENGINE POWER, NEAR NEWTON, MISSISSIPPI. THE AERIAL APPLICATION FLIGHT WAS OPERATED BY PAYNE FLYING SERVICE UNDER THE PROVISIONS OF TITLE 14CFR PART 137, NO FLIGHT PLAN WAS FILED. VISUAL METEOROLOGICAL CONDITIONS PREVAILED AT THE TIME OF THE ACCIDENT. THE COMMERCIAL PILOT WAS NOT INJURED. THE AIRPLANE WAS SUBSTANTIALLY DAMAGED. THE FLIGHT DEPARTED NEWTON MISSISSIPPI, AT 1613. ACCORDING TO THE PILOT, HE HAD BEEN CONDUCTING AGRICULTURAL OPERATIONS AND HAD DISPENSED APPROXIMATELY 13 LOADS OF AGRICULTURAL PRODUCTS. HE WAS PREPARING FOR TAKEOFF WHEN HE NOTICED THAT THE ENGINE WAS SLOW TO SPOOL UP, BUT THE RUN-UP WAS OTHERWISE NORMAL WITH THE ENGINE OPERATING AT 100%. DURING CLIMB-OUT THE PILOT NOTICED THAT HE DID NOT HAVE ENOUGH POWER TO MAINTAIN CLIMB, HE PUSHED THE THROTTLE FULL FORWARD, AND HE COULD NOT ARREST THE DESCENT. THE PILOT SELECTED AN AREA FOR A FORCED LANDING. THE AIRPLANE COLLIDED WITH TREES DURING THE ATTEMPTED FORCED LANDING. EXAMINATION OF THE ENGINE ASSEMBLY DISCLOSED THAT THE FIRST STAGE COMPRESSOR WHEEL DISPLAYED EVIDENCE OF EROSION. THERE WAS ALSO FRESH DIRT AND DEBRIS ON THE FIRST STAGE COMPRESSOR ASSEMBLY. SEVERAL STATOR VANES EXHIBITED PRE-IMPACT BENDING ASSOCIATED WITH EROSION (SEE ATTACHED ENGINE EXAMINATION REPORT). FURTHER EXAMINATION OF THE ENGINE ASSEMBLY DISCLOSED THAT THE FUEL CONTROL UNIT REAR SUPPORT BRACKETT BOLT WAS NOT INSTALLED ON THE FUEL CONTROL UNIT. THE POST-ACCIDENT EXAMINATION DISCLOSED THAT THE FUEL CONTROL UNIT WAS DISPLACED APPROXIMATELY 1/4 INCH FROM THE NORMALLY INSTALLED POSITION. EXAMINATION OF THE FUEL CONTROL UNIT SHOWED CHAFFING ON THE PUMP FLANGE. ACCORDING TO OPERATOR'S MAINTENANCE RECORDS, THE ENGINE WAS LAST INSPECTED 128 HOURS BEFORE THE ACCIDENT. THE ENGINE HAD ACCUMULATED 6000 HOURS OF OPERATION SINCE THE LAST OVERHAUL. (-23) AFTER LIFT OFF ENGINE BEGAN TO LOSE POWER PILOT STATED THAT HE HAD SOME POWER BUT NOT ENOUGH TO SUSTAIN FLIGHT. AIRCRAFT LANDED IN TREES JUST NORTH OF AIRPORT. ## The NTSB's investigation of this event (1) From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [NTSB ATL98LA115](https://openairdocs.org/ntsb/ATL98LA115), Aug 16, 1998: Schweizer G164B (N7502A), Newton, MS, substantial damage. Probable cause: The erosion of the compressor impeller and the unsecured fuel control unit resulted in the loss of engine power during the initial climb. ## Other reports on N7502A (4) Matched to the same aircraft by N-number and date. - [Accident 20100721041089A](https://openairdocs.org/incident/20100721041089A), Jul 21, 2010: Allied Agca G-164-B (N7502A), Prescott, WA, Minor damage. During aerail crop dusting operations pilot attempted take-off with full spray load. After rotation and departure the aircraft settled back to the runway. The… - [Incident 20050512007179I](https://openairdocs.org/incident/20050512007179I), May 12, 2005: Scwzer G164B (N7502A), Walla Walla, WA, Minor damage. (-23) Upon landing airman attempted to brake, and noticed right brake was inoperative (later determined to be "o" ring failure in wheel cylinder). With only… - [Incident 20020828022919I](https://openairdocs.org/incident/20020828022919I), Aug 28, 2002: Scwzer G164B (N7502A), Walla Walla, WA, Minor damage. (-23) Pilot had picked up load and was circling the field prior to starting spray run when lower flying wire on right wing separated. Pilot returned to Walla… - [Accident 19950805022089A](https://openairdocs.org/incident/19950805022089A), Aug 5, 1995: Scwzer G164B (N7502A), Quitman, MS, Substantial damage. Lost power descending to spray. Dumped load. Hit stump landing. Nosed over. Fuel unit had known prior low pressure. From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record. --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.